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CM into Inches
Construction · Calculator

Rebar Weight Calculator

Calculate the total weight of rebar based on size, length, and quantity.

Rebar Weight Calculator

Estimate the total weight of reinforcing steel (rebar) for your concrete project.

Formula

Weight = quantity × length × unit weight

Step-by-step

  1. Look up unit weight by bar size
  2. Multiply by length for per-bar weight
  3. Multiply by quantity for total weight

Example

Ten #5 bars at 20 ft each = 167 lb total.

FAQ

What are the unit weights?+

#3: 0.376 lb/ft, #4: 0.668 lb/ft, #5: 1.043 lb/ft, #6: 1.502 lb/ft, #7: 2.044 lb/ft, #8: 2.67 lb/ft, #9: 3.4 lb/ft, #10: 4.303 lb/ft, #11: 5.313 lb/ft.

Why calculate rebar weight?+

For ordering, transport planning, and cost estimation.

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